A car of mass 480kg moving at a speed of 54km/h,is stopped by applying brakes in 10s. Calculate the force applied by the brakes.
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54km/h = 15m/s
F = d(mv)/dt
F = mdv/dt
F = 480×(15-0)/10
F = 720 N
Force applied by the brakes is 720 N
F = d(mv)/dt
F = mdv/dt
F = 480×(15-0)/10
F = 720 N
Force applied by the brakes is 720 N
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